Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
98 words
A Faraday rotator comprising : a non-magnetic garnet substrate; a ferrimagnetic garnet film epitaxially grown on the substrate; and a magnet for inducing a magnetic field in said film for rotating the plane of polarization of a light-beam applied to said film within said film, said substrate and said film being made of a material selected so that the absolute value of the difference Δa = as - a f between the lattice constant a s of said substrate and the lattice constant a f of said film is equal to or smaller than 0. 001 A (angstrom).
Claim 2
Dependent Claim
98 words
A Faraday rotator comprising : a non-magnetic garnet substrate; a ferrimagnetic garnet film epitaxially grown on the substrate; and a magnet for inducing a magnetic field in said film for rotating the plane of polarization of a light-beam applied to said film within said film, said substrate and said film being made of a material selected so that the absolute value of the difference Δa = as - a f between the lattice constant a s of said substrate and the lattice constant a f of said film is equal to or smaller than 0. 001 A (angstrom).
Claim 3
Dependent Claim
42 words
A Faraday rotator as claimed in Claim 1 wherein said substrate consists of Gd 3 Ga 5 O 12 and said film consists of Gd x Y 3-x Fe 5 O 12 , where x ranges from 0. 18 to 0. 24.
Claim 4
Dependent Claim
41 words
A Faraday rotator as claimed in Claim 1 wherein said substrate comprises Gd 3 Ga 5 0 12 and said film consists of Tb x Y 3 -x Fe 5 O 12 where x ranges from 0. 18 to 0. 24.
Claim 5
Dependent Claim
41 words
A Faraday rotator as claimed in Claim 1 wherein said substrate comprises Dy x Gd 3-x Ga 5 0 12 and said film consists of Y 3 Fe 5 O 12 , where x ranges from 0. 32 to 0. 37.
Claim 6
Dependent Claim
62 words
A Faraday rotator as claimed in Claim 1 wherein said substrate 1 is sliced out from a single crystal boule having a predetermined growth axis in such a way that said substrate has its normal inclined from a <110> axis toward a predetermined axis by an angle of α ° greater than 0 degree but equal to or smaller than 15 degrees.
Claim 7
Dependent Claim
59 words
A Faraday rotator as claimed in Claim 1 wherein said substrate is sliced out from a single crystal boule having a predetermined growth axis in such a way that said substrate has its normal inclined from a <211> axis toward a predetermined axis by an angle of α° greater than 0 degree but equal to.or samaller than 15 degrees.
Claim 8
Dependent Claim
34 words
A Faraday rotator as claimed in Claim 1 wherein said substrate has growth striation, and the light-beam is given to said film vertically to said growth striation from one end surface of said film.
Claim 9
Dependent Claim
61 words
A Faraday rotator as claimed in Claim 1 wherein said substrate is sliced out from a non-magnetic garnet single crystal having a <111> growth axis, said substrate having its normal inclined from a< 110> axis toward a <211> axis within a {110} plane by an angle of α ° greater than 0 degree but equal to or smaller than 15 degrees.
Claim 10
Dependent Claim
61 words
A Faraday rotator as claimed in Claim 1 wherein said substrate is sliced out from a non-magnetic garnet single crystal having a <111> growth axis, said substrate having its normal inclined from a <211> axis toward a <110> axis within a {211} plane by an angle of α ° greater than 0 degree but equal to or smaller than 15 degrees.